Final answer:
Mrs. Chafin replaces a total of 56 strings on 7 mandolins, each with 8 strings, calculated by multiplying the number of mandolins by the number of strings per mandolin.
Step-by-step explanation:
Mrs. Chafin replaces strings on 7 mandolins, with each mandolin having 8 strings. To find out the total number of strings she replaces, we need to multiply the number of mandolins by the number of strings on each mandolin.
Step-by-Step Calculation:
Identify the number of mandolins: 7.
- Identify the number of strings per mandolin: 8.
- Multiply the number of mandolins by the number of strings per mandolin: 7 mandolins × 8 strings/mandolin = 56 strings.
So, Mrs. Chafin replaces a total of 56 strings.